CN210935588U

CN210935588U - Dacromet spraying mechanism

Info

Publication number: CN210935588U
Application number: CN201921847185.4U
Authority: CN
Inventors: 刘远翔; 马速成; 吕治飞
Original assignee: Yichang Enhance Ultrasonic Electric Co ltd
Current assignee: Yichang Enhance Ultrasonic Electric Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-07
Anticipated expiration: 2029-10-30

Abstract

The Dacromet spraying mechanism comprises a rack, wherein a gantry manipulator is mounted on the rack, an object stage is arranged in the rack, and a swing mechanism and a spraying device are arranged on one side of the frame; an objective table: the spraying device comprises a transfer tray, wherein a plurality of positioning parts are arranged on the transfer tray, and workpieces to be sprayed are placed on the positioning parts; a slewing mechanism: the spraying device comprises a rotary table and a rotary arm, wherein a rotary shaft is assembled on the rotary table, the lower end of the rotary shaft is in transmission connection with a first servo motor arranged in the rotary table through a gear, the rotary arm is fixedly connected with the rotary shaft, a plurality of rotary discs and a plurality of rotary motors are arranged on the rotary arm in an upper shaft connection mode, the rotary discs are in transmission connection with the rotary motors, and a gantry manipulator grabs a workpiece to be sprayed onto the rotary discs; a spraying device: the spray gun is installed on the industrial robot, and the spraying direction of the spray gun faces the rotating disc. The utility model is used for solve the inhomogeneous and easy spraying blind area that appears of artifical spraying thickness, the poor problem of spraying quality.

Description

Dacromet spraying mechanism

Technical Field

The utility model relates to a reach cloro spraying mechanism.

Background

DACROMET is a DACROMET transliteration and abbreviation, abbreviated as DACROMET, dacron, or diclon. The coating is named as a zinc-chromium coating in China, and is a novel anticorrosive coating taking zinc powder, aluminum powder, chromic acid and deionized water as main components. The technological process includes organic solvent deoiling, mechanical polishing, spraying, stoving, secondary spraying, stoving and drying. At present, the dacromet is mainly sprayed by adopting a manual spraying mode and a mechanical spraying mode, and the manual spraying mode has the defects that the spraying thickness is uneven, a spraying blind area is easy to appear, so that spraying speckles appear on the surface of a workpiece, and the spraying quality is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a reach cloro spraying mechanism for solve artifical spraying thickness uneven and the spraying blind area appears easily, problem that the spraying quality is poor.

In order to solve the above problem, the to-be-solved technical scheme of the utility model is:

the Dacromet spraying mechanism comprises a rack, wherein a gantry manipulator is mounted on the rack, an object stage is arranged in the rack, and a swing mechanism and a spraying device are arranged on one side of the frame; an objective table: the spraying device comprises a transfer tray, wherein a plurality of positioning parts are arranged on the transfer tray, and workpieces to be sprayed are placed on the positioning parts;

a slewing mechanism: the spraying device comprises a rotary table and a rotary arm, wherein a rotary shaft is assembled on the rotary table, the lower end of the rotary shaft is in transmission connection with a first servo motor arranged in the rotary table through a gear, the rotary arm is fixedly connected with the rotary shaft, a plurality of rotary discs and a plurality of rotary motors are arranged on the rotary arm in an upper shaft connection mode, the rotary discs are in transmission connection with the rotary motors, and a gantry manipulator grabs a workpiece to be sprayed onto the rotary discs;

a spraying device: the spray gun is installed on the industrial robot, and the spraying direction of the spray gun faces the rotating disc.

The objective table still includes transports the dolly, transports the tray and installs on transporting the dolly, is equipped with in the frame to be used for transporting the positioner that the dolly goes on, positioner is including installing two gibs in the frame, constitutes a dolly guide way by two gibs, installs the locating piece in guide way one end frame 1, transports dolly one end and is equipped with the inserted block, is equipped with the V-arrangement groove corresponding with the locating piece at the inserted block.

The positioning device further comprises a rotary clamping cylinder installed at one end of the guide channel, the rotary clamping cylinder is provided with a clamping arm, and the rotary clamping cylinder is used for tensioning the insertion block on the transfer trolley in the V-shaped groove of the positioning block.

The spraying device is characterized by further comprising an isolation cover covered outside the spraying device, an opening is formed in one side of the isolation cover, and the rotary arm of the rotary mechanism rotates in the opening.

A rotary bearing is arranged between the rotary arm and the rotary table, and the rotary shaft is arranged in the rotary bearing.

The rotary arm correcting mechanism is arranged on the rack and comprises a correcting cylinder arranged on the rack, a piston rod of the correcting cylinder is connected with a plug with one end being conical or spherical, jacks are formed in two ends of the rotary arm, and the correcting cylinder pushes the plug to be inserted into the jacks.

The automatic control system comprises a PLC (programmable logic controller) and a touch screen, wherein the PLC controls the gantry manipulator, the swing mechanism and outputs signals to the industrial robot.

The technical effects of the utility model are that: the gantry manipulator conveys the workpiece on the object carrying plate to the rotary arm, the rotary arm rotates the workpiece to one side of the spraying mechanism and drives the workpiece to rotate, the spraying mechanism sprays the surface of the rotating workpiece to reach the Kr, after the spraying is finished, the rotary mechanism rotates again to rotate the next workpiece to the spraying station, the gantry manipulator returns the workpiece after the spraying is finished to the object carrying plate, and the workpiece surface spraying thickness is consistent due to the fact that the workpiece spraying time is consistent and the workpiece rotation speed is consistent, and the spraying quality and the spraying efficiency are improved.

Drawings

The invention will be further explained with reference to the drawings:

figure 1 is a schematic perspective view of the present invention,

fig. 2 is a schematic perspective view of the present invention, wherein the isolation cover is not shown,

fig. 3 is a schematic perspective view of the present invention, in which the revolving mechanism is not shown,

figure 4 is a schematic perspective view of the present invention,

FIG. 5 is a schematic cross-sectional view of the swing mechanism of the present invention,

FIG. 6 is a schematic view of the connection relationship between the electrical components of the present invention,

fig. 7 is a pneumatic control schematic diagram of the present invention.

In the figure: the device comprises a rack 1, an isolation cover 2, a gantry manipulator 3, a spraying device 4, an object stage 5, a transfer trolley 6, a tool 7, a rotary mechanism 8, a positioning device 9, a correction cylinder 10, a jack 11, a pneumatic clamping jaw 30, a sliding first guide rail 31, a second servo motor 32, a third servo motor 33, a sliding plate 34, a lifting cylinder 35, a second guide rail 36, a sliding frame 37, a transfer tray 51, a positioning part 52, a workpiece 71, a rotary arm 81, a rotary disk 82, a rotary table 83, a rotary motor 84, a belt transmission mechanism 85, a rotary bearing 86, a rotary shaft 87, a first servo motor 88, a pressing plate 39, a positioning block 91, an insertion block 92, a rotary clamping cylinder 93 and a guide strip 94.

Detailed Description

As shown in fig. 1 to 4, the dacromet spraying mechanism comprises a frame 1, wherein a gantry manipulator 3 is mounted on the frame 1, an object stage 5 is arranged in the frame 1, and a rotary mechanism 8 and a spraying device 4 are arranged on one side of the frame;

an object stage 5: the device comprises a transfer tray 51, a plurality of positioning parts 52 are arranged on the transfer tray 51, a workpiece 71 to be sprayed is placed on each positioning part 52, the positioning parts 52 are circular bulges arranged on the transfer tray 51, the workpiece 71 to be sprayed is arranged on a tool 7, the tool 7 comprises a bottom cover and a support rod in threaded connection with the bottom cover, the upper end of the support rod is connected with the workpiece 71 to be sprayed, the bottom cover is just buckled on the circular bulges, the circular bulges are used for positioning the bottom cover, and the bottom cover is grabbed when the gantry manipulator 3 grabs;

as shown in fig. 5, the turning mechanism 8: the spraying device comprises a rotary table 83 and a rotary arm 81, wherein a hollow rotary shaft 87 is assembled on the rotary table 83, the lower end of the rotary shaft 87 is in transmission connection with a first servo motor 88 arranged in the rotary table 83 through a gear, the rotary arm 81 is fixedly connected with the rotary shaft 87, two ends of the rotary arm 81 are respectively in shaft connection with a rotary disk 82 and two rotary motors 84, the rotary disk 82 is in transmission connection with the rotary motors 84 through a belt transmission mechanism 85, a gantry manipulator 3 grabs a workpiece 71 to be sprayed onto the rotary disk 82, the first servo motor 88 drives the rotary arm 81 to alternately rotate 180 degrees back and forth through the rotary shaft 87, and a circular bulge is also arranged on the rotary disk 82 and used for positioning the tool 7;

as shown in fig. 2, the spraying device 4: comprising an industrial robot 42 and a spray gun 41, the spray gun 41 being mounted on the industrial robot 42, the spray gun 41 spraying direction being directed towards the rotating disc 82.

The spraying industrial robot 42 adopts an Anchuan robot EXP1260 with the clamping force of 5 kg.

The spray gun 41 is an automatic spray gun 41 of LRA-200 and 122P, the spray gun 41 can adapt to spraying of a coating with a certain viscosity, is suitable for surface spraying and low-pressure spraying, the spraying pressure is 0.14-0.16 Mpa, and the spraying distance is as follows: 200mm air consumption: the spraying amplitude is 300mm at 500L L/min.

In order to meet the requirement of manual operation, the robot is placed on a moving platform and can slide left and right along a track, and a robot assembly platform can be locked in a T-shaped groove on the track.

As shown in fig. 1 and 2, the gantry robot 3 includes an X-direction sliding mechanism, a Y-direction sliding mechanism, a Z-direction sliding mechanism and a pneumatic clamping jaw 30, the X-direction sliding mechanism includes a sliding frame 37, a second servo motor 32 and a plurality of first guide rails 31, each first guide rail 31 is installed at the top of the rack 1, the sliding frame 37 is installed on each first guide rail 31, and the second servo motor 32 installed on the rack 1 drives the sliding frame 37 to move on the first guide rails 31 through a synchronous belt transmission mechanism; the Y-direction sliding mechanism comprises a sliding plate 34, a third servo motor 33 and a plurality of second guide rails 36, each second guide rail 36 is installed on a sliding frame 37, the sliding plate 34 is installed on a sliding block of each second guide rail 36, the third servo motor 33 is installed on the sliding plate 34, a rack is arranged on one side of the sliding frame 37, and a gear meshed with the rack is installed on an output shaft of the third servo motor 33; the Z-direction sliding mechanism comprises a lifting cylinder 35 arranged on a sliding plate 34, a pneumatic clamping jaw 30 is arranged on a piston of the lifting cylinder 35, a guide sleeve is arranged on the sliding plate 34, a guide rod is arranged in the guide sleeve, the lower end of the guide rod is connected with the pneumatic clamping jaw 30, and the upper end of the guide rod is connected with a pressing plate 39. Move pneumatic clamping jaw 30 outside frock 7 through X to glide machanism, Y to glide machanism and Z to glide machanism can be quick, convenient quick frock 7 that snatchs.

The utility model discloses a use method does: for convenience of description, the two rotary disks 82 in fig. 3 are provided with the first rotary disk 82 and the second rotary disk 82, respectively;

the first step is as follows: after the worker assembles each workpiece 71 to be painted onto each of the upper tools 7, each workpiece 71 is placed in each positioning portion 52 of the transfer tray 51, and then the transfer tray 51 is sent into the machine frame 1.

The second step is that: the gantry robot 3 grasps the first workpiece 71 on the first rotating disk 82, the first servomotor 88 drives the rotating arm 81 to rotate 180 degrees clockwise to move the first workpiece 71 to the coating device 4 side, the rotating motor 84 drives the workpiece 71 on the first rotating disk 82 to rotate through the belt transmission mechanism, and then the gantry robot 3 grasps the second workpiece 71 on the second rotating disk 82, and at the same time, the industrial robot 42 controls the spray gun 41 to perform the dacromet coating on the workpiece 71 on the first rotating disk 82.

The third step: after the first workpiece 71 on the first rotating disc 82 is coated, the first servo motor 88 drives the rotating arm 81 to rotate 180 degrees counterclockwise, the rotating motor 84 in transmission connection with the first rotating disc 82 stops, the first workpiece 71 is fed into the frame, the second workpiece 71 moves to the side of the coating device 4, then the rotating motor 84 drives the workpiece 71 on the second rotating disc to rotate, the coating device 4 performs Dacromet coating on the second workpiece 71, and during the period of coating the second workpiece 71, the gantry robot 3 grabs the first workpiece 71 to the original position on the transfer tray 51 for placement, and grabs the third workpiece 71 to the first rotating disc 82.

The fourth step: after the second workpiece 71 is completely coated, the revolving arm 81 rotates clockwise by 180 degrees, the coating device 4 coats the third workpiece 71, the gantry robot 3 grabs the second workpiece 71 back to the original position and places the second workpiece, and grabs the fourth workpiece 71 onto the fourth rotating disc 82.

The fifth step: after the spraying work of each workpiece 71 on the first transfer tray 51 is completed according to the second to fourth steps; the worker then withdraws the first transfer tray 51 from the frame 1 and feeds the second transfer tray 51 filled with the workpieces 71 into the frame 1 for painting.

As shown in fig. 3, the object stage 5 further includes a transfer trolley 6, the transfer tray 51 is mounted on the transfer trolley 6, a positioning device 9 for performing positioning on the transfer trolley 6 is arranged in the frame 1, the positioning device 9 includes two guide strips 94 mounted in the frame 1, a trolley guide channel is formed by the two guide strips 94, a positioning block 91 is mounted on the frame 1 at one end of the guide channel, an insertion block 92 is arranged at one end of the transfer trolley 6, and a V-shaped groove corresponding to the positioning block 91 is formed in the insertion block 92. The transfer trolley 6 can conveniently pass the transfer tray 51 in and out of the rack 1, so that the operation of people is facilitated; when the transfer trolley 6 carries the transfer tray 51 to move in the guide channel, two sides of the transfer tray 51 abut against the two guide strips 94, the two guide strips 94 limit the left and right positions of the transfer tray 51, and the positioning block 91 and the inserting block 92 are used for limiting the front position of the transfer tray 51, so that the workpiece 71 can be prevented from deviating from the movement path of the gantry manipulator 3 by positioning the position of the transfer tray 51.

As shown in fig. 4, the positioning device 9 further includes a rotary clamping cylinder 93 mounted at one end of the guide channel, the rotary clamping cylinder 93 has a clamping arm, and the rotary clamping cylinder 93 is used for tensioning the insertion block 92 on the transfer trolley 6 in the V-shaped groove of the positioning block 91. After the transfer trolley 6 is moved into the guide channel, the piston rod of the rotary clamping cylinder 93 retracts, the transfer trolley 6 is fixed, and the transfer trolley 6 is prevented from sliding out of the guide channel due to the action of the gantry manipulator 3.

As shown in fig. 1, the spraying device further comprises a shielding case 2 covering the spraying device 4, an opening is formed on one side of the shielding case 2, and a rotating arm 81 of a rotating mechanism 8 rotates in the opening. When the spraying device 4 sprays the workpiece 71, the isolation cover 2 shields the Dacromet spray to prevent the Dacromet spray from diffusing in a workshop, so that the workshop environment is protected.

A pivot bearing 86 is provided between the pivot arm 81 and the pivot table 83, and the pivot 87 is provided in the pivot bearing 86.

As shown in fig. 3 and 4, a rotary arm 81 correction mechanism is mounted on the frame 1, the rotary arm 81 correction mechanism includes a correction cylinder 10 mounted on the frame 1, a piston rod of the correction cylinder 10 is connected with a plug with a conical or spherical end, two ends of the rotary arm 81 are both provided with insertion holes 11, and the correction cylinder 10 pushes the plug to be inserted into the insertion holes 11. After the slewing mechanism 8 is used for a period of time, the slewing angle of the slewing arm 81 may have errors, which affect the gripping precision of the pneumatic clamping jaw 30, so that a slewing arm 81 correcting mechanism is arranged for setting the slewing angle of the slewing arm 81 to zero, and the working principle is as follows: when the rotary arm 81 rotates to the right position, the correcting cylinder 10 pushes the plug into the insertion hole 11 at one end of the rotary arm 81, the inclination is used for correcting the rotation angle of the rotary arm 81, and when the rotary arm 81 needs to rotate, the piston rod of the correcting cylinder 10 retracts.

As shown in fig. 1, 6 and 7, this patent still includes automatic control system, automatic control system includes PLC controller and touch-sensitive screen, install the travel switch on slide 34, pneumatic clamping jaw 30 descends to when frock 7 grabs the position, clamp plate 39 presses travel switch and goes upward, the first servo motor 88 of PLC controller control, second servo motor 32, third servo motor 33 and rotating electrical machines 84, the PLC controller is through a plurality of solenoid valve control lift cylinder 35, gyration die clamping cylinder 93 and pneumatic clamping jaw 30, the PLC controller input is connected to travel switch, PLC controller output signal gives industrial robot 42.

The automatic control system can realize automatic spraying, and the working process is as follows: initially, the coordinates of each positioning portion 52 and the first rotating disc 82 are preset in the PLC controller, the pneumatic clamping jaw 30 is located above the first workpiece 71 to be painted, and the initial position is set at this position, and after the worker feeds the transfer tray 51 into the rack 1, the following steps are performed:

the first step is as follows: the rotary clamp cylinder 93 operates to position and fix the fed transfer tray 51.

The second step is that: the lifting cylinder 35 moves downwards to the trigger travel switch, after the pneumatic clamping jaw 30 grabs the first workpiece 71 to be sprayed 7, the pneumatic clamping jaw 30 moves upwards to move the first workpiece 71 to be sprayed to the position above the coordinate of the first rotating disk 82, and then after the pneumatic clamping jaw 30 moves downwards to the trigger travel switch, the pneumatic clamping jaw 30 releases the workpiece 71, and clamping of the first workpiece 71 is completed.

The third step: the PLC controller controls the first servo motor 88 to rotate the swing arm 81 clockwise by 180 degrees, moves the first workpiece 71 to the side of the painting apparatus 4, sends a signal to the industrial robot 42, and after the industrial robot 42 receives the signal, paints the workpiece 71, and at the same time, the rotary motor 84 below the workpiece 71 is started to rotate the workpiece 71.

The fourth step: the PLC controller moves the pneumatic holding jaw 30 above the second workpiece 71 by controlling the first servomotor 88 and the second servomotor 32 according to the coordinates, and then returns the second workpiece 71 to the initial position after gripping the second rotating disk 82.

The fifth step: after the first workpiece 71 is sprayed, the rotating arm 81 rotates 180 degrees anticlockwise to send the second workpiece 71 to the spraying position, the first workpiece 71 moves to the first rotating disc 82, the PLC controller controls the pneumatic clamping jaws 30 to move to the rotating disc 82 for marking, and then the first workpiece 71 is placed on the original positioning portion 52 of the first workpiece 71.

And a sixth step: after the pneumatic clamping jaw 30 moves to move the third workpiece 71 onto the first rotating disc 82, the rotating arm 81 rotates clockwise by 180 degrees to spray the third workpiece 71, and the steps are repeated until all the workpieces 71 on the transfer tray 51 are completely sprayed.

Claims

1. The Dacromet spraying mechanism comprises a rack (1), wherein a gantry manipulator (3) is mounted on the rack (1), an object stage (5) is arranged in the rack (1), and a rotary mechanism (8) and a spraying device (4) are arranged on one side of the frame; the method is characterized in that:

stage (5): the spraying device comprises a transfer tray (51), wherein a plurality of positioning parts (52) are arranged on the transfer tray (51), and workpieces (71) to be sprayed are placed on the positioning parts (52);

rotation mechanism (8): the spraying device comprises a rotary table (83) and a rotary arm (81), wherein a rotary shaft (87) is assembled on the rotary table (83), the lower end of the rotary shaft (87) is in transmission connection with a first servo motor (88) installed in the rotary table (83) through a gear, the rotary arm (81) is fixedly connected with the rotary shaft (87), a plurality of rotary discs (82) and a plurality of rotary motors (84) are axially connected to the rotary arm (81), the rotary discs (82) are in transmission connection with the rotary motors (84), and a workpiece (71) to be sprayed is grabbed onto the rotary discs (82) by a gantry manipulator (3);

spraying device (4): comprises an industrial robot (42) and a spray gun (41), wherein the spray gun (41) is installed on the industrial robot (42), and the spraying direction of the spray gun (41) faces to a rotating disk (82).

2. The dacromet spray mechanism of claim 1, wherein: objective table (5) still includes transports dolly (6), transports tray (51) and installs on transporting dolly (6), is equipped with in frame (1) and is used for transporting positioner (9) that dolly (6) go on, positioner (9) constitute a dolly guide way including installing two gibs (94) in frame (1) by two gibs (94).

3. The dacromet spray mechanism of claim 2, wherein: positioner (9) are still including setting up and installing locating piece (91) on direction passageway one end frame (1), and transportation dolly (6) one end is equipped with inserted block (92), is equipped with the V-arrangement groove corresponding with locating piece (91) at inserted block (92), installs gyration die clamping cylinder (93) in direction passageway one end, gyration die clamping cylinder (93) have the clamp arm, and gyration die clamping cylinder (93) are used for will transporting on dolly (6) that inserted block (92) take-up in locating piece (91) V-arrangement inslot.

4. The dacromet spray mechanism of claim 1, wherein: the spraying device is characterized by further comprising an isolation cover (2) covered outside the spraying device (4), an opening is formed in one side of the isolation cover (2), and a rotating arm (81) of a rotating mechanism (8) rotates in the opening.

5. The dacromet spray mechanism of claim 1, wherein: a rotary bearing (86) is arranged between the rotary arm (81) and the rotary table (83), and the rotary shaft (87) is arranged in the rotary bearing (86).

6. The dacromet spray mechanism of claim 1, wherein: install gyration arm (81) aligning gear on frame (1), gyration arm (81) aligning gear is connected with one end for toper or spherical plug including installing correction cylinder (10) on frame (1) on correcting cylinder (10) piston rod, has all seted up jack (11) at gyration arm (81) both ends, and correction cylinder (10) promote the plug to insert in jack (11).

7. The dacromet spray mechanism of any one of claims 1 to 6, wherein: the automatic control system comprises a PLC (programmable logic controller) and a touch screen, wherein the PLC controls the gantry manipulator (3), the swing mechanism (8) and outputs signals to the industrial robot (42).